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authorDJ Delorie <dj@redhat.com>2007-05-08 01:29:33 +0000
committerDJ Delorie <dj@redhat.com>2007-05-08 01:29:33 +0000
commit0c18fee5b37f838c89b45c757deadfa81574e352 (patch)
tree84771eb0a6a707e0a63e712f7602dbc8d2d8cd0b /libiberty/argv.c
parentf453a23a5117037dd9f787e5cf8796cdf91d75d0 (diff)
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merge from gcc
Diffstat (limited to 'libiberty/argv.c')
-rw-r--r--libiberty/argv.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/libiberty/argv.c b/libiberty/argv.c
index e76c1f8..a04f50d 100644
--- a/libiberty/argv.c
+++ b/libiberty/argv.c
@@ -290,6 +290,62 @@ char **buildargv (const char *input)
/*
+@deftypefn Extension int writeargv (const char **@var{argv}, FILE *@{file})
+
+Write each member of ARGV, handling all necessary quoting, to the file
+named by FILE, separated by whitespace. Return 0 on success, non-zero
+if an error occurred while writing to FILE.
+
+@end deftypefn
+
+*/
+
+int
+writeargv (char **argv, FILE *f)
+{
+ int status = 0;
+
+ if (f == NULL)
+ return 1;
+
+ while (*argv != NULL)
+ {
+ int ret;
+ const char *arg = *argv;
+
+ while (*arg != EOS)
+ {
+ char c = *arg;
+
+ if (ISSPACE(c) || c == '\\' || c == '\'' || c == '"')
+ if (EOF == fputc ('\\', f))
+ {
+ status = 1;
+ goto done;
+ }
+
+ if (EOF == fputc (c, f))
+ {
+ status = 1;
+ goto done;
+ }
+ arg++;
+ }
+
+ if (EOF == fputc ('\n', f))
+ {
+ status = 1;
+ goto done;
+ }
+ argv++;
+ }
+
+ done:
+ return status;
+}
+
+/*
+
@deftypefn Extension void expandargv (int *@var{argcp}, char ***@var{argvp})
The @var{argcp} and @code{argvp} arguments are pointers to the usual