diff options
Diffstat (limited to 'utils/hp2ps')
| -rw-r--r-- | utils/hp2ps/HpFile.c | 133 |
1 files changed, 65 insertions, 68 deletions
diff --git a/utils/hp2ps/HpFile.c b/utils/hp2ps/HpFile.c index e21acf3f91..bcdf7aa6b3 100644 --- a/utils/hp2ps/HpFile.c +++ b/utils/hp2ps/HpFile.c @@ -53,17 +53,17 @@ floatish *samplemap; /* sample intervals */ floatish *markmap; /* sample marks */ /* - * An extremely simple parser. The input is organised into lines of + * An extremely simple parser. The input is organised into lines of * the form * * JOB s -- job identifier string - * DATE s -- date string - * SAMPLE_UNIT s -- sample unit eg "seconds" - * VALUE_UNIT s -- value unit eg "bytes" - * MARK i -- sample mark - * BEGIN_SAMPLE i -- start of ith sample - * identifier i -- there are i identifiers in this sample - * END_SAMPLE i -- end of ith sample + * DATE s -- date string + * SAMPLE_UNIT s -- sample unit eg "seconds" + * VALUE_UNIT s -- value unit eg "bytes" + * MARK i -- sample mark + * BEGIN_SAMPLE i -- start of ith sample + * identifier i -- there are i identifiers in this sample + * END_SAMPLE i -- end of ith sample * */ @@ -146,7 +146,7 @@ GetHpLine(FILE *infp) case SAMPLE_UNIT_TOK: GetHpTok(infp, 0); if (thetok != STRING_TOK) { - Error("%s, line %d: string must follow SAMPLE_UNIT", hpfile, + Error("%s, line %d: string must follow SAMPLE_UNIT", hpfile, linenum); } sampleunitstring = thestring; @@ -157,7 +157,7 @@ GetHpLine(FILE *infp) case VALUE_UNIT_TOK: GetHpTok(infp, 0); if (thetok != STRING_TOK) { - Error("%s, line %d: string must follow VALUE_UNIT", hpfile, + Error("%s, line %d: string must follow VALUE_UNIT", hpfile, linenum); } valueunitstring = thestring; @@ -183,11 +183,11 @@ GetHpLine(FILE *infp) markmap = (floatish*) xrealloc(markmap, nmarkmax * sizeof(floatish)); } } - markmap[ nmarks++ ] = thefloatish; + markmap[ nmarks++ ] = thefloatish; GetHpTok(infp, 1); break; - case BEGIN_SAMPLE_TOK: + case BEGIN_SAMPLE_TOK: insample = 1; GetHpTok(infp, 0); if (thetok != FLOAT_TOK) { @@ -204,7 +204,7 @@ GetHpLine(FILE *infp) samplemap = (floatish*) xmalloc(nsamplemax * sizeof(floatish)); } else { nsamplemax *= 2; - samplemap = (floatish*) xrealloc(samplemap, + samplemap = (floatish*) xrealloc(samplemap, nsamplemax * sizeof(floatish)); } } @@ -212,11 +212,11 @@ GetHpLine(FILE *infp) GetHpTok(infp, 1); break; - case END_SAMPLE_TOK: + case END_SAMPLE_TOK: insample = 0; GetHpTok(infp, 0); if (thetok != FLOAT_TOK) { - Error("%s, line %d: floating point number must follow END_SAMPLE", + Error("%s, line %d: floating point number must follow END_SAMPLE", hpfile, linenum); } nsamples++; @@ -226,7 +226,7 @@ GetHpLine(FILE *infp) case IDENTIFIER_TOK: GetHpTok(infp, 0); if (thetok != INTEGER_TOK) { - Error("%s, line %d: integer must follow identifier", hpfile, + Error("%s, line %d: integer must follow identifier", hpfile, linenum); } StoreSample(GetEntry(theident), nsamples, thefloatish); @@ -274,7 +274,7 @@ TokenToString(token t) * Read the next token from the input and assign its value * to the global variable "thetok". In the case of numbers, * the corresponding value is also assigned to "theinteger" - * or "thefloatish" as appropriate; in the case of identifiers + * or "thefloatish" as appropriate; in the case of identifiers * it is assigned to "theident". * * startline argument should be true for the first token on a line @@ -287,7 +287,7 @@ GetHpTok(FILE *infp, int startline) while (isspace(ch)) { /* skip whitespace */ if (ch == '\n') linenum++; ch = getc(infp); - } + } if (ch == EOF) { thetok = EOF_TOK; @@ -332,7 +332,7 @@ GetHpTok(FILE *infp, int startline) /* * Read a sequence of digits and convert the result to an integer - * or floating point value (assigned to the "theinteger" or + * or floating point value (assigned to the "theinteger" or * "thefloatish"). */ @@ -343,21 +343,21 @@ GetNumber(FILE *infp) { int i; int containsdot; - + ASSERT(isdigit(ch)); /* we must have a digit to start with */ containsdot = 0; for (i = 0; i < NUMBER_LENGTH && (isdigit(ch) || ch == '.'); i++) { numberstring[ i ] = ch; - containsdot |= (ch == '.'); + containsdot |= (ch == '.'); ch = getc(infp); - } - + } + ASSERT(i <= NUMBER_LENGTH); /* did not overflow */ numberstring[ i ] = '\0'; - + if (containsdot) { thefloatish = (floatish) atof(numberstring); return FLOAT_TOK; @@ -373,7 +373,7 @@ GetNumber(FILE *infp) } /* - * Read a sequence of identifier characters and assign the result + * Read a sequence of identifier characters and assign the result * to the string "theident". */ @@ -387,7 +387,7 @@ GetIdent(FILE *infp) idbuffer[ i ] = ch; ch = getc(infp); } - + idbuffer[ i ] = '\0'; if (theident) @@ -398,45 +398,42 @@ GetIdent(FILE *infp) /* - * Read a sequence of characters that make up a string and - * assign the result to "thestring". + * Read a sequence of characters that make up a string and assign the result to + * "thestring". A string is surrounded by double quotes, with a double quote + * itself escaped as two contiguous double quotes. */ void GetString(FILE *infp) { - unsigned int i; - char *stringbuffer; - size_t stringbuffersize; + size_t stringbuffersize = 5000; + char *stringbuffer = xmalloc(stringbuffersize); ASSERT(ch == '\"'); - stringbuffersize = 5000; - stringbuffer = xmalloc(stringbuffersize); - - ch = getc(infp); /* skip the '\"' that begins the string */ + ch = getc(infp); /* skip the '\"' that begins the string */ - i = 0; - while (ch != '\"') { + for (size_t i = 0; ; ++i) { if (ch == EOF) { - Error("%s, line %d: EOF when expecting \"", hpfile, linenum, ch); + Error("%s, line %d: EOF when expecting \"", hpfile, linenum, ch); } - else if (i == stringbuffersize - 1) { - stringbuffersize = 2 * stringbuffersize; + if (i == stringbuffersize) { + stringbuffersize *= 2; stringbuffer = xrealloc(stringbuffer, stringbuffersize); } - stringbuffer[ i++ ] = ch; + if (ch == '\"') { + ch = getc(infp); + if (ch != '\"') { + stringbuffer[i] = '\0'; + break; + } + } + stringbuffer[i] = ch; ch = getc(infp); } - stringbuffer[i] = '\0'; thestring = copystring(stringbuffer); - free(stringbuffer); - - ASSERT(ch == '\"'); - - ch = getc(infp); /* skip the '\"' that terminates the string */ } boolish @@ -452,7 +449,7 @@ IsIdChar(int ch) * of chunks to be retrieved given an identifier name. */ -#define N_HASH 513 +#define N_HASH 513 static struct entry* hashtable[ N_HASH ]; @@ -460,7 +457,7 @@ static intish Hash(char *s) { int r; - + for (r = 0; *s; s++) { r = r + r + r + *s; } @@ -471,10 +468,10 @@ Hash(char *s) } /* - * Get space for a new chunk. Initialise it, and return a pointer + * Get space for a new chunk. Initialise it, and return a pointer * to the new chunk. */ - + static struct chunk* MakeChunk(void) { @@ -482,10 +479,10 @@ MakeChunk(void) struct datapoint* d; ch = (struct chunk*) xmalloc( sizeof(struct chunk) ); - + d = (struct datapoint*) xmalloc (sizeof(struct datapoint) * N_CHUNK); - ch->nd = 0; + ch->nd = 0; ch->d = d; ch->next = 0; return ch; @@ -493,10 +490,10 @@ MakeChunk(void) /* - * Get space for a new entry. Initialise it, and return a pointer + * Get space for a new entry. Initialise it, and return a pointer * to the new entry. */ - + struct entry * MakeEntry(char *name) { @@ -504,12 +501,12 @@ MakeEntry(char *name) e = (struct entry *) xmalloc(sizeof(struct entry)); e->chk = MakeChunk(); - e->name = copystring(name); + e->name = copystring(name); return e; } /* - * Get the entry associated with "name", creating a new entry if + * Get the entry associated with "name", creating a new entry if * necessary. */ @@ -518,17 +515,17 @@ GetEntry(char *name) { intish h; struct entry* e; - + h = Hash(name); - + for (e = hashtable[ h ]; e; e = e->next) { if (strcmp(e->name, name) == 0) { break; } } - + if (e) { - return (e); + return (e); } else { nidents++; e = MakeEntry(name); @@ -540,16 +537,16 @@ GetEntry(char *name) /* - * Store information from a sample. + * Store information from a sample. */ - + void StoreSample(struct entry *en, intish bucket, floatish value) { - struct chunk* chk; + struct chunk* chk; for (chk = en->chk; chk->next != 0; chk = chk->next) - ; + ; if (chk->nd < N_CHUNK) { chk->d[ chk->nd ].bucket = bucket; @@ -557,7 +554,7 @@ StoreSample(struct entry *en, intish bucket, floatish value) chk->nd += 1; } else { struct chunk* t; - t = chk->next = MakeChunk(); + t = chk->next = MakeChunk(); t->d[ 0 ].bucket = bucket; t->d[ 0 ].value = value; t->nd += 1; @@ -569,7 +566,7 @@ struct entry** identtable; /* * The hash table is useful while reading the input, but it - * becomes a liability thereafter. The code below converts + * becomes a liability thereafter. The code below converts * it to a more easily processed table. */ @@ -592,7 +589,7 @@ MakeIdentTable(void) for (i = 0; i < N_HASH; i++) { for (e = hashtable[ i ]; e; e = e->next, j++) { - identtable[ j ] = e; + identtable[ j ] = e; } } } |