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Fix quoting of file names in 'ctags'

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* lib-src/etags.c (main) [WINDOWSNT || MSDOS]: Quote file names
according to the rules of the system shells.
This commit is contained in:
Eli Zaretskii 2022-07-01 16:17:40 +03:00
parent 474f5b21b4
commit 8a098f6517
1 changed files with 11 additions and 0 deletions
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11
lib-src/etags.c
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@ -1431,6 +1431,16 @@ main (int argc, char **argv)
setenv ("LC_COLLATE", "C", 1);
setenv ("LC_ALL", "C", 1); */
char *cmd = xmalloc (8 * strlen (tagfile) + sizeof "sort -u -o '' ''");
#if defined WINDOWSNT || defined MSDOS
/* Quote "like this". No need to escape the quotes in the file name,
since it is not allowed in file names on these systems. */
char *z = stpcpy (cmd, "sort -u -o \"");
z = stpcpy (z, tagfile);
z = stpcpy (z, "\" \"");
z = stpcpy (z, tagfile);
stpcpy (z, "\"");
#else
/* Quote 'like this', and escape the apostrophe in the file name. */
char *z = stpcpy (cmd, "sort -u -o '");
char *escaped_tagfile = z;
for (; *tagfile; *z++ = *tagfile++)
@ -1440,6 +1450,7 @@ main (int argc, char **argv)
z = stpcpy (z, "' '");
z = mempcpy (z, escaped_tagfile, escaped_tagfile_len);
strcpy (z, "'");
#endif
return system (cmd);
}
return EXIT_SUCCESS;