From 5580d1af5e5ab6f5229bbc94072e548ff7519099 Mon Sep 17 00:00:00 2001
From: rupa <rupa@lrrr.us>
Date: Tue, 24 Dec 2013 17:33:45 -0500
Subject: [PATCH] Trying to write teh prompt command in C.

---
 c/Makefile           |   2 ++
 c/_z_prompt_command  | Bin 0 -> 9188 bytes
 c/z_prompt_command.c |  58 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 60 insertions(+)
 create mode 100644 c/Makefile
 create mode 100755 c/_z_prompt_command
 create mode 100644 c/z_prompt_command.c

diff --git a/c/Makefile b/c/Makefile
new file mode 100644
index 0000000..23728ab
--- /dev/null
+++ b/c/Makefile
@@ -0,0 +1,2 @@
+all:
+	cc -Wall -Wextra -pedantic -o _z_prompt_command z_prompt_command.c
diff --git a/c/_z_prompt_command b/c/_z_prompt_command
new file mode 100755
index 0000000000000000000000000000000000000000..9d80e3b9f431910b6b2dda8c83b34b365622f3aa
GIT binary patch
literal 9188
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literal 0
HcmV?d00001

diff --git a/c/z_prompt_command.c b/c/z_prompt_command.c
new file mode 100644
index 0000000..d8c7b09
--- /dev/null
+++ b/c/z_prompt_command.c
@@ -0,0 +1,58 @@
+// PROMPT_COMMAND for z.sh
+
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+int main() {
+    char * _Z_DATA;
+    char datafile[PATH_MAX];
+    char tmpfile[PATH_MAX];
+    FILE *read;
+    FILE *write;
+    char line[LINE_MAX];
+    char cwd[PATH_MAX];
+    char pth[PATH_MAX];
+    float rank;
+    int timestamp;
+    time_t epoch = time(NULL);
+    int found = 0;
+
+    if (getcwd(cwd, sizeof(cwd)) == NULL) return EXIT_FAILURE;
+
+    _Z_DATA = getenv("_Z_DATA");
+    if( _Z_DATA == NULL ) {
+        sprintf(datafile, "%s/.z", getenv("HOME"));
+    } else {
+        sprintf(datafile, "%s", _Z_DATA);
+    }
+
+    read = fopen(datafile, "r");
+    if (read == NULL) return EXIT_FAILURE;
+
+    srand(time(NULL));
+    sprintf(tmpfile, "%s.%d", datafile, rand());
+
+    write = fopen(tmpfile, "w");
+    if (write == NULL) return EXIT_FAILURE;
+
+    while (fgets(line, sizeof line, read) != NULL) {
+        sscanf(line, "%[^|]|%f|%d\n", pth, &rank, &timestamp);
+        if (strcmp(pth, cwd) == 0) {
+            fprintf(write, "%s|%f|%d\n", pth, rank + 1, (int) epoch);
+            found = 1;
+        } else fprintf(write, "%s", line);
+    }
+    if (!found) fprintf(write, "%s|1|%d\n", cwd, (int) epoch);
+
+    fclose(read);
+    fclose(write);
+
+    if (rename(tmpfile, datafile) == 0) return EXIT_SUCCESS;
+
+    return EXIT_FAILURE;
+
+}