diff options
Diffstat (limited to 'src/parse.c')
| -rw-r--r-- | src/parse.c | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/src/parse.c b/src/parse.c index ff23a47..c19209c 100644 --- a/src/parse.c +++ b/src/parse.c @@ -234,8 +234,14 @@ xpmParseColors( xpmFreeColorTable(colorTable, ncolors); return (XpmNoMemory); } - for (b = 0, s = color->string; b < cpp; b++, s++) - *s = xpmGetC(data); + for (b = 0, s = color->string; b < cpp; b++, s++) { + int c = xpmGetC(data); + if (c < 0) { + xpmFreeColorTable(colorTable, ncolors); + return (XpmFileInvalid); + } + *s = (char) c; + } *s = '\0'; /* @@ -322,8 +328,14 @@ xpmParseColors( xpmFreeColorTable(colorTable, ncolors); return (XpmNoMemory); } - for (b = 0, s = color->string; b < cpp; b++, s++) - *s = xpmGetC(data); + for (b = 0, s = color->string; b < cpp; b++, s++) { + int c = xpmGetC(data); + if (c < 0) { + xpmFreeColorTable(colorTable, ncolors); + return (XpmFileInvalid); + } + *s = (char) c; + } *s = '\0'; /* @@ -505,8 +517,14 @@ do \ for (y = 0; y < height; y++) { xpmNextString(data); for (x = 0; x < width; x++, iptr++) { - for (a = 0, s = buf; a < cpp; a++, s++) - *s = xpmGetC(data); /* int assigned to char, not a problem here */ + for (a = 0, s = buf; a < cpp; a++, s++) { + int c = xpmGetC(data); + if (c < 0) { + XpmFree(iptr2); + return (XpmFileInvalid); + } + *s = (char) c; + } slot = xpmHashSlot(hashtable, buf); if (!*slot) { /* no color matches */ XpmFree(iptr2); @@ -519,8 +537,14 @@ do \ for (y = 0; y < height; y++) { xpmNextString(data); for (x = 0; x < width; x++, iptr++) { - for (a = 0, s = buf; a < cpp; a++, s++) - *s = xpmGetC(data); /* int assigned to char, not a problem here */ + for (a = 0, s = buf; a < cpp; a++, s++) { + int c = xpmGetC(data); + if (c < 0) { + XpmFree(iptr2); + return (XpmFileInvalid); + } + *s = (char) c; + } for (a = 0; a < ncolors; a++) if (!strcmp(colorTable[a].string, buf)) break; |