diff options
Diffstat (limited to 'libXfont/src/fontfile/dirfile.c')
| -rw-r--r-- | libXfont/src/fontfile/dirfile.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/libXfont/src/fontfile/dirfile.c b/libXfont/src/fontfile/dirfile.c index c8aff6f4f..639310c31 100644 --- a/libXfont/src/fontfile/dirfile.c +++ b/libXfont/src/fontfile/dirfile.c @@ -42,6 +42,7 @@ in this Software without prior written authorization from The Open Group. #include <sys/types.h> #include <sys/stat.h> #include <errno.h> +#include <limits.h> static Bool AddFileNameAliases ( FontDirectoryPtr dir ); static int ReadFontAlias ( char *directory, Bool isFile, @@ -90,7 +91,7 @@ FontFileReadDirectory (char *directory, FontDirectoryPtr *pdir) strcat(dir_file, FontDirFile); file = fopen(dir_file, "rt"); if (file) { -#ifndef WIN32 +#ifndef WIN32 if (fstat (fileno(file), &statb) == -1) #else if (stat (dir_file, &statb) == -1) @@ -135,7 +136,7 @@ FontFileReadDirectory (char *directory, FontDirectoryPtr *pdir) FontFileAddFontFile (dir, font_name, file_name); } fclose(file); - + } else if (errno != ENOENT) { return BadFontPath; } @@ -188,7 +189,7 @@ FontFileDirectoryChanged(FontDirectoryPtr dir) return TRUE; return FALSE; } - + /* * Make each of the file names an automatic alias for each of the files. */ @@ -212,7 +213,7 @@ AddFileNameAliases(FontDirectoryPtr dir) renderer = FontFileMatchRenderer (fileName); if (!renderer) continue; - + len = strlen (fileName) - renderer->fileSuffixLen; if (len >= sizeof(copy)) continue; @@ -374,6 +375,9 @@ lexAlias(FILE *file, char **lexToken) int nsize; char *nbuf; + if (tokenSize >= (INT_MAX >> 2)) + /* Stop before we overflow */ + return EALLOC; nsize = tokenSize ? (tokenSize << 1) : 64; nbuf = realloc(tokenBuf, nsize); if (!nbuf) |