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| author | Denis Vlasenko | 2006-09-29 23:41:59 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2006-09-29 23:41:59 +0000 |
| commit | 70210168fcb1fb9bdbcd6fe92509cd9b1ef46eb9 (patch) | |
| tree | 6a277dce1252ee2625563c718fdc60b4c3a5a91f | |
| parent | 3ed001ff2631ad6911096148f47a2719a5b6d4f4 (diff) | |
| download | busybox-70210168fcb1fb9bdbcd6fe92509cd9b1ef46eb9.zip busybox-70210168fcb1fb9bdbcd6fe92509cd9b1ef46eb9.tar.gz | |
wc: optionally support very large files in wc
| -rw-r--r-- | coreutils/Config.in | 7 | ||||
| -rw-r--r-- | coreutils/wc.c | 11 |
2 files changed, 15 insertions, 3 deletions
diff --git a/coreutils/Config.in b/coreutils/Config.in index 20b5955..6598a8d 100644 --- a/coreutils/Config.in +++ b/coreutils/Config.in @@ -704,6 +704,13 @@ config CONFIG_WC wc is used to print the number of bytes, words, and lines, in specified files. +config CONFIG_FEATURE_WC_LARGE + bool "Support very large files in wc" + default n + depends on CONFIG_WC + help + Use "unsigned long long" in wc for count variables + config CONFIG_WHO bool "who" default n diff --git a/coreutils/wc.c b/coreutils/wc.c index 78a5105..6ddac4d 100644 --- a/coreutils/wc.c +++ b/coreutils/wc.c @@ -55,10 +55,13 @@ #define isspace_given_isprint(c) ((c) == ' ') #endif -//#define COUNT_T unsigned long long -//#define COUNT_FMT "llu" +#if ENABLE_FEATURE_WC_LARGE +#define COUNT_T unsigned long long +#define COUNT_FMT "llu" +#else #define COUNT_T unsigned #define COUNT_FMT "u" +#endif enum { WC_LINES = 0, @@ -82,7 +85,7 @@ int wc_main(int argc, char **argv) int c; char status = EXIT_SUCCESS; char in_word; - char print_type; + unsigned print_type; print_type = bb_getopt_ulflags(argc, argv, "lwcL"); @@ -115,6 +118,8 @@ int wc_main(int argc, char **argv) in_word = 0; do { + /* Our -w doesn't match GNU wc exactly... oh well */ + ++counts[WC_CHARS]; c = getc(fp); if (isprint(c)) { |