[patch iproute2 v3 2/4] utils: Add a function setcmdlinetotal
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STALE3213d
SUPERSEDED
From: Chris Mi <hidden>
Date: 2017-12-25 08:47:09
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
Revision v3 of 4 in this series.
Revisions (4)
- v3 current
- v4 [diff vs current]
- v5 [diff vs current]
- v6 [diff vs current]
This function calculates how many commands a batch file has and set it to global variable cmdlinetotal. Signed-off-by: Chris Mi <redacted> --- include/utils.h | 4 ++++ lib/utils.c | 20 ++++++++++++++++++++ 2 files changed, 24 insertions(+)
diff --git a/include/utils.h b/include/utils.h
index d3895d56..113a8c31 100644
--- a/include/utils.h
+++ b/include/utils.h@@ -235,6 +235,10 @@ void print_nlmsg_timestamp(FILE *fp, const struct nlmsghdr *n); extern int cmdlineno; ssize_t getcmdline(char **line, size_t *len, FILE *in); + +extern int cmdlinetotal; +void setcmdlinetotal(const char *name); + int makeargs(char *line, char *argv[], int maxargs); int inet_get_addr(const char *src, __u32 *dst, struct in6_addr *dst6);
diff --git a/lib/utils.c b/lib/utils.c
index 7ced8c06..53ca389f 100644
--- a/lib/utils.c
+++ b/lib/utils.c@@ -1202,6 +1202,26 @@ ssize_t getcmdline(char **linep, size_t *lenp, FILE *in) return cc; } +int cmdlinetotal; + +void setcmdlinetotal(const char *name) +{ + char *line = NULL; + size_t len = 0; + + if (name && strcmp(name, "-") != 0) { + if (freopen(name, "r", stdin) == NULL) { + fprintf(stderr, "Cannot open file \"%s\" for reading: %s\n", + name, strerror(errno)); + return; + } + } + + cmdlinetotal = 0; + while (getcmdline(&line, &len, stdin) != -1) + cmdlinetotal++; +} + /* split command line into argument vector */ int makeargs(char *line, char *argv[], int maxargs) {
--
2.14.3